A 14-year-old student who was found dead inside a car at Madera South High School in Madera, Calif., likely died from heat stroke, police say. KFSN-TV says Graciela Martinez, 14, was discovered by her siblings Wednesday afternoon inside the car. Her brother had driven her to school; he went to class, and she stayed behind in the vehicle because her class started an hour later. Police also say the vehicle that she was found in may have a feature that prevents the doors from being opened from the inside once the car is locked with a key.
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